Pengendalian Semut Hitam (Dolichoderus Thoracicus) pada Kopi Robusta (Coffea Canephora L.) di Kebun Bangelan PTPN XII Malang Jawa Timur \

Abstract

Pest control program in coffee plantations is one of the most important activities in maintaining the value of production, productivity and cultivation of coffee. Based on observations in Bangelan Estate, there are many pests that attack coffee plant such as the fruit coffee borer (Hypothenemus hampei), mealybug (Pseudococcus citri), and black ant (Dolichoderus thoracicus). The intensity of coffee fruit borer attack (PBKo) and mealybug is low under 5%. The area of Plant Produce (TM) which attacked by black ant is classified as high as 32.7%. Black ants as a predators and decomposers of organic matter. By 2018, black ants belong to pests that must be controlled because they affect cultivation activities such as maintenance and harvesting coffee. Black ant control is done in an integrated way by mechanical (trapping) and chemical. Trapping is implemented by applying innovative methods from Bangelan Estate by installing bamboo that has been given litter of coffee leaves and molasses. This method is effective to control the pest. Keywords: attack intensity, chemical, mechanical, pest, robusta coffee